A:S1<S2<S3
B:S2<S1<S3
C:S2<S3<S1
D:S3<S2<S1
The policeman told the children _________ play in the street.
观察图回答问题:
“中部高,四周低”是亚洲的地势特征,受其影响亚洲河流的特点是( )